incoming packets ?
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XX SYN_RCVD
tcp4 0 0 192.168.1.100.80 XX SYN_RCVD
tcp4 0 0 192.168.1.100.80 XX SYN_RCVD
Can TCP connection inherit FIB from first SYN packet or not ?
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Igor Sysoev
http://sysoev.ru/en
On Thu, Jul 24, 2008 at 08:33:09AM -0700, Julian Elischer wrote:
Igor Sysoev wrote:
Julian, thank you for FIB. I have tried in on FreeBSD-7.
I've found that ipfw does not know about setfib:
ipfw: invalid action setfib
Oh I have not finished MFC..
will finish today..
the svn server
On Thu, Jul 24, 2008 at 09:44:15AM -0700, Julian Elischer wrote:
Igor Sysoev wrote:
On Thu, Jul 24, 2008 at 08:33:09AM -0700, Julian Elischer wrote:
I was thinking that it might be possible to tag a socket to accept the
fib of the packet coming in, but if we do this, we should decide
dev.bge.0.tx_coal_ticks=1
dev.bge.0.rx_max_coal_bds=64
dev.bge.0.tx_max_coal_bds=128
# apply the above parameters
dev.bge.0.program_coal=1
Could anyone commit it ?
--
Igor Sysoev
http://sysoev.ru/en/
--- sys/dev/bge/if_bge.c2009-05-21 01:17:10.0 +0400
+++ sys/dev/bge/if_bge.c
On Thu, Jun 11, 2009 at 11:54:29AM +1000, Bruce Evans wrote:
On Wed, 10 Jun 2009, Igor Sysoev wrote:
For a long time I used Bruce Evans' patch to tune bge interrupt coalescing:
http://lists.freebsd.org/pipermail/freebsd-net/2007-November/015956.html
However, recent commit SVN r192478 in 7
is 3.
The host uptime is 24 days, 21:53.
I have saved a coredump and may try to help to debug the issue.
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On Fri, Oct 02, 2009 at 05:06:46PM +0400, Igor Sysoev wrote:
The TIME_WAIT sockets suddenly started to grow on a host running
FreeBSD 7.2-STABLE, date=2009.09.06.23.59.59
Usually there are 3,000-5,000 TIME_WAIT sockets on the host.
However, today they stared to grow, have reached 110,000
On Fri, Oct 02, 2009 at 02:06:21PM -0400, Skip Ford wrote:
Igor Sysoev wrote:
The TIME_WAIT sockets suddenly started to grow on a host running
FreeBSD 7.2-STABLE, date=2009.09.06.23.59.59
Usually there are 3,000-5,000 TIME_WAIT sockets on the host.
However, today they stared to grow
...
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On Fri, Nov 27, 2009 at 09:12:37PM -0800, Julian Elischer wrote:
Igor Sysoev wrote:
Currently only packets generated during encapsulation can use
interface's FIB stored during interface creation:
setfib 1 ifconfig gif0 ...
setfib 1 ifconfig tun0 ...
not sure if tun actually does
I saw commit introducing hw.bge.forced_collapse loader tunable.
Just intresting, why it can not be a sysctl ?
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On Fri, Dec 04, 2009 at 09:32:43AM -0800, Pyun YongHyeon wrote:
On Fri, Dec 04, 2009 at 10:54:40AM +0300, Igor Sysoev wrote:
I saw commit introducing hw.bge.forced_collapse loader tunable.
Just intresting, why it can not be a sysctl ?
I didn't think the sysctl variable would be frequently
On Fri, Dec 04, 2009 at 11:51:40AM -0800, Pyun YongHyeon wrote:
On Fri, Dec 04, 2009 at 10:11:14PM +0300, Igor Sysoev wrote:
On Fri, Dec 04, 2009 at 09:32:43AM -0800, Pyun YongHyeon wrote:
On Fri, Dec 04, 2009 at 10:54:40AM +0300, Igor Sysoev wrote:
I saw commit introducing
On Fri, Dec 04, 2009 at 12:22:13PM -0800, Pyun YongHyeon wrote:
On Fri, Dec 04, 2009 at 11:13:03PM +0300, Igor Sysoev wrote:
On Fri, Dec 04, 2009 at 11:51:40AM -0800, Pyun YongHyeon wrote:
On Fri, Dec 04, 2009 at 10:11:14PM +0300, Igor Sysoev wrote:
On Fri, Dec 04, 2009 at 09:32:43AM
On Thu, Jan 14, 2010 at 10:10:31AM -0800, Pyun YongHyeon wrote:
On Thu, Jan 14, 2010 at 07:03:33PM +0300, Igor Sysoev wrote:
On Fri, Dec 04, 2009 at 12:22:13PM -0800, Pyun YongHyeon wrote:
On Fri, Dec 04, 2009 at 11:13:03PM +0300, Igor Sysoev wrote:
On Fri, Dec 04, 2009 at 11:51:40AM
On Thu, Jan 14, 2010 at 10:10:31AM -0800, Pyun YongHyeon wrote:
On Thu, Jan 14, 2010 at 07:03:33PM +0300, Igor Sysoev wrote:
On Fri, Dec 04, 2009 at 12:22:13PM -0800, Pyun YongHyeon wrote:
On Fri, Dec 04, 2009 at 11:13:03PM +0300, Igor Sysoev wrote:
On Fri, Dec 04, 2009 at 11:51:40AM
It seems that net.inet.tcp.slowstart_flightsize does not work in 8-STABLE.
For a long time I used slowstart_flightsize=2 on FreeBSD 4, 6, and 7 hosts.
However, FreeBSD-8 always starts with the single packet.
I saw this on different versions of 8-STABLE since 8 Oct 2009 till
04 Apr 2010.
--
Igor
: 173 parent interface: bge0
[ ... ]
--
Igor Sysoev
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vlan: 173 parent interface: bge0
[ ... ]
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On Fri, Sep 10, 2010 at 07:39:15AM +0400, Igor Sysoev wrote:
On Thu, Sep 09, 2010 at 01:10:50PM -0700, Pyun YongHyeon wrote:
On Thu, Sep 09, 2010 at 02:28:26PM +0400, Igor Sysoev wrote:
Hi,
I have several hosts running FreeBSD/amd64 7.2-STABLE updated on
11.01.2010
On Mon, Sep 13, 2010 at 11:04:47AM -0700, Pyun YongHyeon wrote:
On Mon, Sep 13, 2010 at 06:27:08PM +0400, Igor Sysoev wrote:
On Thu, Sep 09, 2010 at 02:18:08PM -0700, Pyun YongHyeon wrote:
On Thu, Sep 09, 2010 at 01:10:50PM -0700, Pyun YongHyeon wrote:
On Thu, Sep 09, 2010 at 02:28
267 stale
0 aborted
0 badack
20 unreach
0 zone failures
76018 cookies sent
24 cookies received
--
Igor Sysoev
http://sysoev.ru/en/
--- sys/netinet/tcp_syncache.c 2006-02-16 04:06:22.0 +0300
On Sun, Aug 19, 2007 at 04:42:51AM -0500, Mike Silbersack wrote:
On Thu, 16 Aug 2007, Igor Sysoev wrote:
I have looked sources and found that in early versions the sent counter
was simply not incremented at all. The patch attached.
The patch looks ready to commit to me. Do you want me
, 142102, 147631805,0
tcptw:48,41028, 6493,11213, 29804665,0
I saw it on 6.2-STABLE.
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On Mon, Aug 20, 2007 at 05:19:14PM +0100, Tom Judge wrote:
Igor Sysoev wrote:
It seems that FreeBSD can not make more than
net.inet.ip.portrange.last - net.inet.ip.portrange.first
simultaneous outgoing connections, i.e., no more than about 64k.
If I made ~64000 connections 127.0.0.1
On Mon, Aug 20, 2007 at 09:53:55AM -0700, John-Mark Gurney wrote:
Igor Sysoev wrote this message on Mon, Aug 20, 2007 at 19:11 +0400:
It seems that FreeBSD can not make more than
net.inet.ip.portrange.last - net.inet.ip.portrange.first
simultaneous outgoing connections, i.e., no more
On Mon, Aug 20, 2007 at 10:30:12PM +0400, Igor Sysoev wrote:
On Mon, Aug 20, 2007 at 09:53:55AM -0700, John-Mark Gurney wrote:
Igor Sysoev wrote this message on Mon, Aug 20, 2007 at 19:11 +0400:
It seems that FreeBSD can not make more than
net.inet.ip.portrange.last
think socket memory calculation should include
tcpcb, udpcb, inpcb, unpcb and probably tcptw items.
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On Wed, Aug 29, 2007 at 02:39:57PM +0100, Robert Watson wrote:
On Wed, 29 Aug 2007, Igor Sysoev wrote:
On Wed, Aug 29, 2007 at 02:48:57PM +0800, LI Xin wrote:
Here is a proof-of-concept patch that adds sockets related statistics to
netstat(1)'s -m option, which could make SA's life
After 1.49 src/etc/rc.firewall setup_loopback() is called in any
firewall type including custom firewall defined filename.
I think setup_loopback() should be called for predefined firewalls.
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Igor Sysoev
http://sysoev.ru/en/
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On Sat, Nov 17, 2007 at 08:30:58AM +1100, Bruce Evans wrote:
On Fri, 16 Nov 2007, Igor Sysoev wrote:
The attached patch creates the following bge loader tunables:
I plan to commit old work to do this using sysctls. Tunables are
harder to use and aren't needed since changes
I can use something like this:
# 256M KVA/KVM
kern.ipc.nmbjumbop=64000
# 216M KVA/KVM
kern.ipc.nmbclusters=98304
# 162M KVA/KVM
kern.ipc.maxsockets=163840
# 8M KVA/KVM
net.inet.tcp.maxtcptw=163840
# 24M KVA/KVM
kern.maxfiles=204800
--
Igor Sysoev
http://sysoev.ru/en
On Sat, Nov 17, 2007 at 09:13:50PM +1100, Bruce Evans wrote:
On Sat, 17 Nov 2007, Igor Sysoev wrote:
On Sat, Nov 17, 2007 at 08:30:58AM +1100, Bruce Evans wrote:
On Fri, 16 Nov 2007, Igor Sysoev wrote:
The attached patch creates the following bge loader tunables:
I plan to commit old
On Tue, Apr 22, 2008 at 12:20:38AM +0400, Igor Sysoev wrote:
Finally I have tested your second (without debug stuff) patch in
production environment (~45K in/out packets) on FreeBSD 7.0-STABLE.
I think it should be commited.
I use my usual static settings in /etc/sysctl.conf:
dev.bge.0
On Mon, Apr 21, 2008 at 03:27:53PM +0400, Igor Sysoev wrote:
The problem that FreeBSD has small KVA space: only 2G even on amd64 32G
machines.
So with
vm.kmem_size=1G
# 64M KVA
kern.maxbcache=64M
# 4M KVA
kern.ipc.maxpipekva=4M
I can use something like this:
# 256M KVA/KVM
On Wed, 28 May 2003, Garrett Wollman wrote:
On Wed, 28 May 2003 17:05:59 +0400 (MSD), Igor Sysoev [EMAIL PROTECTED] said:
always calls tcp_output() when TCP_NOPUSH is turned off. I think
tcp_output() should be called only if data in the send buffer is less
than MSS:
I believe
user, 2GB kernel).
#
options KVA_PAGES=260
---
Default KVA_PAGES are 256.
Igor Sysoev
http://sysoev.ru/en/
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On Thu, 1 Sep 2005, Igor Sysoev wrote:
I found strange timeout errors returned by kevent() in 6.0 using
my http server named nginx. The nginx's run on three machines:
two 4.10-RELEASE and one 6.0-BETA3. All machines serve the same
content (simple cluster) and each handles about 200 requests
On Thu, 1 Sep 2005, Igor Sysoev wrote:
On Thu, 1 Sep 2005, Igor Sysoev wrote:
I found strange timeout errors returned by kevent() in 6.0 using
my http server named nginx. The nginx's run on three machines:
two 4.10-RELEASE and one 6.0-BETA3. All machines serve the same
content (simple
On Thu, 1 Dec 2005, Igor Sysoev wrote:
On Thu, 1 Sep 2005, Igor Sysoev wrote:
On Thu, 1 Sep 2005, Igor Sysoev wrote:
I found strange timeout errors returned by kevent() in 6.0 using
my http server named nginx. The nginx's run on three machines:
two 4.10-RELEASE and one 6.0-BETA3. All
On Tue, 6 Dec 2005, John-Mark Gurney wrote:
Igor Sysoev wrote this message on Thu, Sep 01, 2005 at 18:26 +0400:
On Thu, 1 Sep 2005, Igor Sysoev wrote:
I found strange timeout errors returned by kevent() in 6.0 using
my http server named nginx. The nginx's run on three machines:
two 4.10
the client will see timed out error.
Igor Sysoev
http://sysoev.ru/en/
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On Wed, 13 Sep 2006, Andre Oppermann wrote:
Igor Sysoev wrote:
On Sun, 3 Sep 2006, Andre Oppermann wrote:
I've pretty much rewritten our implementation of TCP syncookies to get
rid of some locking in TCP syncache and to improve their functionality.
The RFC1323 timestamp option is used
On Thu, 14 Sep 2006, Ruslan Ermilov wrote:
On Wed, Sep 13, 2006 at 10:31:43PM +0200, Andre Oppermann wrote:
Igor Sysoev wrote:
Well, suppose protocol similar to SSH or SMTP:
1) the client calls connect(), it sends SYN;
2) the server receives SYN and sends SYN/ACK with cookie;
3) the client
return ENOTCONN instead EPIPE.
See the message:
http://freebsd.rambler.ru/bsdmail/freebsd-hackers_2004/msg00019.html
and its follow-ups.
Igor Sysoev
http://sysoev.ru/en/
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Hi,
I noticed rev 1.123 of src/sys/kern/uipc_socket2.c and two MFC's of the fix.
Does it mean that the thundering herd problem in accept() appeared again
in FreeBSD since 4.4-STABLE (after syncache was introduced) ?
Igor Sysoev
http://sysoev.ru/en
Hi,
I read objections in cvs-all@ about netstat's output after MFC
of sendfile(2) statistics.
How about netstat -ms ?
Right now this switch combination is treated as simple -m in both -STABLE
and -CURRENT.
Igor Sysoev
http://sysoev.ru/en/
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.x sfbufs are network buffers only and I think it's handy to see
the network buffer statistics in one place. I prefer to see netstat -ms
or netstat -m.
And nothing against additional the vmstat implementation.
Igor Sysoev
http://sysoev.ru/en/
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- aio_cancel(), aio_error().
I think aio_* may be usefull for the zero-copy sockets, however,
FreeBSD's aio_write() does not wait when the data would be acknowledged
by peer and notifies the completion just after it pass the data to
the network layer.
Igor Sysoev
http://sysoev.ru/en
two things - the threads and
the signals. If you like to use a callback behaviour of the signals you could
easy implement it without any signal.
Igor Sysoev
http://sysoev.ru/en/
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not use aio_waitcomplete() instead of aio_error()/aio_return()
pair after kevent() reports the completetion.
Igor Sysoev
http://sysoev.ru/en/
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understand FreeBSD 4.x already
has similar AIO implementation.
Or do you mean the implementaion by user-level threads like in Solaris ?
Igor Sysoev
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sysctl -w net.inet.ip.portrange.first=1024
sysctl -w net.inet.ip.portrange.last=65535
And after you upgrade to 4.10 do not forget to set
sysctl -w net.inet.ip.portrange.randomized=0
Igor Sysoev
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as the kernel would call your signal handlers.
The difference between your code and kernel is that your code always
calls handlers in the well known places that allows to avoid the various race
conditions. The kernel may call the signal handler any time if the signal
is not blocked.
Igor Sysoev
., http://freebsd.rambler.ru/bsdmail/freebsd-stable_2004/msg02310.html
Is there any danger of me setting the port range from 1024 - 65535 ?
I believe it is safe.
Igor Sysoev
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/select/poll), Linux (static and proxy,
using epoll, rt signals) and Solaris (static only, using /dev/poll).
Igor Sysoev
http://sysoev.ru/en/
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are being sent through sendfile?
What does systat -vm show on these machines ?
Igor Sysoev
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) {
+if (sopt == NULL || sopt-val == NULL) {
By the way, is it easy to add timeout for dataready and httpready filters ?
Now the stale connections may live for long time.
Igor Sysoev
http://sysoev.ru/en/
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